What is the preferred testing method for chlamydia and gonorrhea?

• A. Nucleic acid amplification testing (NAAT)
• B. Culture
• C. Serology
• D. Wet mount

Answer: (A)

NAAT is preferred for chlamydia and gonorrhea because it detects the pathogens’ genetic material with high sensitivity and specificity across multiple specimen types, including urine and vaginal, cervical, pharyngeal, or rectal swabs. This makes it reliable for screening and diagnosing, even when patients have no symptoms, and allows noninvasive collection with quick results.

Culture, while historically used and still definitive in some settings (and useful for certain antibiotic-susceptibility testing), is more labor-intensive, slower, and less practical for routine screening.

Serology isn’t helpful for current infection because antibodies can reflect past exposure and don’t reliably indicate an active infection.

Wet mount isn’t used to detect chlamydia or gonorrhea; it’s for evaluating other vaginal infections or parasites and can miss these bacteria altogether.